Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8353472 | Raw silicon crusher | Toshinori Konaka | 2013-01-15 |
| 5795401 | Method for scrubbing substrate | Takashi Itoh, Hiroyuki Saitoh, Haruyuki Kinami, Toshinori Konaka | 1998-08-18 |
| 5465447 | Apparatus for scrubbing substrate | Takashi Itoh, Hiroyuki Saitoh, Haruyuki Kinami, Toshinori Konaka | 1995-11-14 |
| 5270250 | Method of fabricating semiconductor substrate having very shallow impurity diffusion layer | Shigeaki Nakamura, Toshinori Konaka, Shigeru Mizuno | 1993-12-14 |